Case for portable electronic computing device

Abstract

Systems and methods are involved with but are not limited to a portable device case including a frictional component coupled to a tensional retention assembly, the frictional component having a coefficient of friction greater than the coefficient of friction of a first clip, a second clip, and a tensional member of the tensional retention assembly. In addition to the foregoing, other aspects are described in the claims, drawings, and text forming a part of the present disclosure.

What is claimed is: 
     
       1. A portable electronic device case comprising:
 a display case portion including an interior surface; 
 a tensional retention assembly including a tensional member, a first clip, and a second clip, the tensional member including a first movable portion with a first end and a second movable portion with a second end, the first clip coupled to the first end of the first movable portion of the tensional member and the second clip coupled to the second end of the second movable portion of the tensional member, the tensional member having at least one coefficient of friction, the first clip having at least one coefficient of friction, and the second clip having at least one coefficient of friction; 
 at least one frictional component coupled to at least a portion of the tensional retention assembly, the at least one frictional component having at least one coefficient of friction greater than the at least one coefficient of friction of the first clip, the at least one coefficient of friction of the second clip, and the at least one coefficient of friction of the tensional member; 
 a keyboard case portion hingedly coupled to the display case portion; 
 at least one strap coupled to a first portion of the interior surface of the display case portion, a first portion of the tensional member positioned between a portion of the at least one strap and a first portion of the interior surface of the display case portion; and 
 at least one frictional component coupled to a least a portion of the at least one strap. 
 
     
     
       2. The portable electronic device case of  claim 1  wherein the at least one strap includes an interior surface, the frictional component being coupled to the interior surface of the at least one strap. 
     
     
       3. The portable electronic device case of  claim 1  wherein the at least one strap includes an exterior surface, the frictional component being coupled to the exterior surface of the at least one strap. 
     
     
       4. The portable electronic device case of  claim 1  wherein the tensional member comprises at least one elastic band wherein the at least one frictional component being coupled to the at least one elastic band. 
     
     
       5. The portable electronic device case of  claim 1  wherein the at least one frictional component of the tensional retention assembly includes at least one frictional component segment. 
     
     
       6. The portable electronic device case  claim 5  wherein the at least one frictional component segment includes a plurality of rows of frictional component segments. 
     
     
       7. The portable electronic device case of  claim 5  wherein the at least one frictional component segment includes an angled-dash pattern. 
     
     
       8. The portable electronic device case of  claim 5  wherein the at least one frictional component segment includes a curvilinear pattern. 
     
     
       9. The portable electronic device case of  claim 5  wherein the at least one frictional component segment includes a cross pattern. 
     
     
       10. The portable electronic device case of  claim 1  wherein the first clip includes a spine, a first wall, and a second wall, the first wall and the second wall extending from the spine thereby forming a slot, the first wall having an external surface wherein the at least one frictional component being coupled to the exterior surface of the first wall. 
     
     
       11. The portable electronic device case of  claim 9  wherein the slot of the first clip is sized to receive a first portion of a display of a portable electronic device, the first wall having an interior surface, the at least one frictional component being coupled to the interior surface of the first wall. 
     
     
       12. The portable electronic device case of  claim 1  wherein the keyboard case portion includes at least one corner-holder-material including an interior surface, the at least one frictional component being coupled to the interior surface of the at least one corner-holder-material. 
     
     
       13. The portable electronic device case of  claim 1  wherein the at least one frictional component includes a silicone material. 
     
     
       14. The portable electronic device case of  claim 1  wherein at least one frictional component includes a material having a coefficient of friction at least 0.9.